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/**
* @file
* Attaches the behaviors for the Field UI module.
*/
(function($) {
Drupal.behaviors.fieldUIFieldOverview = {
attach: function (context, settings) {
$('table#field-overview', context).once('field-overview', function () {
Drupal.fieldUIFieldOverview.attachUpdateSelects(this, settings);
});
}
};
Drupal.fieldUIFieldOverview = {
/**
* Implements dependent select dropdowns on the 'Manage fields' screen.
*/
attachUpdateSelects: function(table, settings) {
var widgetTypes = settings.fieldWidgetTypes;
var fields = settings.fields;
// Store the default text of widget selects.
$('.widget-type-select', table).each(function () {
this.initialValue = this.options[0].text;
});
// 'Field type' select updates its 'Widget' select.
$('.field-type-select', table).each(function () {
this.targetSelect = $('.widget-type-select', $(this).closest('tr'));
$(this).bind('change keyup', function () {
var selectedFieldType = this.options[this.selectedIndex].value;
var options = (selectedFieldType in widgetTypes ? widgetTypes[selectedFieldType] : []);
this.targetSelect.fieldUIPopulateOptions(options);
});
// Trigger change on initial pageload to get the right widget options
// when field type comes pre-selected (on failed validation).
$(this).trigger('change', false);
});
// 'Existing field' select updates its 'Widget' select and 'Label' textfield.
$('.field-select', table).each(function () {
this.targetSelect = $('.widget-type-select', $(this).closest('tr'));
this.targetTextfield = $('.label-textfield', $(this).closest('tr'));
this.targetTextfield
.data('field_ui_edited', false)
.bind('keyup', function (e) {
$(this).data('field_ui_edited', $(this).val() != '');
});
$(this).bind('change keyup', function (e, updateText) {
var updateText = (typeof updateText == 'undefined' ? true : updateText);
var selectedField = this.options[this.selectedIndex].value;
var selectedFieldType = (selectedField in fields ? fields[selectedField].type : null);
var selectedFieldWidget = (selectedField in fields ? fields[selectedField].widget : null);
var options = (selectedFieldType && (selectedFieldType in widgetTypes) ? widgetTypes[selectedFieldType] : []);
this.targetSelect.fieldUIPopulateOptions(options, selectedFieldWidget);
// Only overwrite the "Label" input if it has not been manually
// changed, or if it is empty.
if (updateText && !this.targetTextfield.data('field_ui_edited')) {
this.targetTextfield.val(selectedField in fields ? fields[selectedField].label : '');
}
});
// Trigger change on initial pageload to get the right widget options
// and label when field type comes pre-selected (on failed validation).
$(this).trigger('change', false);
});
}
};
/**
* Populates options in a select input.
*/
jQuery.fn.fieldUIPopulateOptions = function (options, selected) {
return this.each(function () {
var disabled = false;
if (options.length == 0) {
options = [this.initialValue];
disabled = true;
}
// If possible, keep the same widget selected when changing field type.
// This is based on textual value, since the internal value might be
// different (options_buttons vs. node_reference_buttons).
var previousSelectedText = this.options[this.selectedIndex].text;
var html = '';
jQuery.each(options, function (value, text) {
// Figure out which value should be selected. The 'selected' param
// takes precedence.
var is_selected = ((typeof selected != 'undefined' && value == selected) || (typeof selected == 'undefined' && text == previousSelectedText));
html += '<option value="' + value + '"' + (is_selected ? ' selected="selected"' : '') + '>' + text + '</option>';
});
$(this).html(html).attr('disabled', disabled ? 'disabled' : false);
});
};
Drupal.behaviors.fieldUIDisplayOverview = {
attach: function (context, settings) {
$('table#field-display-overview', context).once('field-display-overview', function() {
Drupal.fieldUIOverview.attach(this, settings.fieldUIRowsData, Drupal.fieldUIDisplayOverview);
});
}
};
Drupal.fieldUIOverview = {
/**
* Attaches the fieldUIOverview behavior.
*/
attach: function (table, rowsData, rowHandlers) {
var tableDrag = Drupal.tableDrag[table.id];
// Add custom tabledrag callbacks.
tableDrag.onDrop = this.onDrop;
tableDrag.row.prototype.onSwap = this.onSwap;
// Create row handlers.
$('tr.draggable', table).each(function () {
// Extract server-side data for the row.
var row = this;
if (row.id in rowsData) {
var data = rowsData[row.id];
data.tableDrag = tableDrag;
// Create the row handler, make it accessible from the DOM row element.
var rowHandler = new rowHandlers[data.rowHandler](row, data);
$(row).data('fieldUIRowHandler', rowHandler);
}
});
},
/**
* Event handler to be attached to form inputs triggering a region change.
*/
onChange: function () {
var $trigger = $(this);
var row = $trigger.closest('tr').get(0);
var rowHandler = $(row).data('fieldUIRowHandler');
var refreshRows = {};
refreshRows[rowHandler.name] = $trigger.get(0);
// Handle region change.
var region = rowHandler.getRegion();
if (region != rowHandler.region) {
// Remove parenting.
$('select.field-parent', row).val('');
// Let the row handler deal with the region change.
$.extend(refreshRows, rowHandler.regionChange(region));
// Update the row region.
rowHandler.region = region;
}
// Ajax-update the rows.
Drupal.fieldUIOverview.AJAXRefreshRows(refreshRows);
},
/**
* Lets row handlers react when a row is dropped into a new region.
*/
onDrop: function () {
var dragObject = this;
var row = dragObject.rowObject.element;
var rowHandler = $(row).data('fieldUIRowHandler');
if (typeof rowHandler !== 'undefined') {
var regionRow = $(row).prevAll('tr.region-message').get(0);
var region = regionRow.className.replace(/([^ ]+[ ]+)*region-([^ ]+)-message([ ]+[^ ]+)*/, '$2');
if (region != rowHandler.region) {
// Let the row handler deal with the region change.
refreshRows = rowHandler.regionChange(region);
// Update the row region.
rowHandler.region = region;
// Ajax-update the rows.
Drupal.fieldUIOverview.AJAXRefreshRows(refreshRows);
}
}
},
/**
* Refreshes placeholder rows in empty regions while a row is being dragged.
*
* Copied from block.js.
*
* @param table
* The table DOM element.
* @param rowObject
* The tableDrag rowObject for the row being dragged.
*/
onSwap: function (draggedRow) {
var rowObject = this;
$('tr.region-message', rowObject.table).each(function () {
// If the dragged row is in this region, but above the message row, swap
// it down one space.
if ($(this).prev('tr').get(0) == rowObject.group[rowObject.group.length - 1]) {
// Prevent a recursion problem when using the keyboard to move rows up.
if ((rowObject.method != 'keyboard' || rowObject.direction == 'down')) {
rowObject.swap('after', this);
}
}
// This region has become empty.
if ($(this).next('tr').is(':not(.draggable)') || $(this).next('tr').length == 0) {
$(this).removeClass('region-populated').addClass('region-empty');
}
// This region has become populated.
else if ($(this).is('.region-empty')) {
$(this).removeClass('region-empty').addClass('region-populated');
}
});
},
/**
* Triggers Ajax refresh of selected rows.
*
* The 'format type' selects can trigger a series of changes in child rows.
* The #ajax behavior is therefore not attached directly to the selects, but
* triggered manually through a hidden #ajax 'Refresh' button.
*
* @param rows
* A hash object, whose keys are the names of the rows to refresh (they
* will receive the 'ajax-new-content' effect on the server side), and
* whose values are the DOM element in the row that should get an Ajax
* throbber.
*/
AJAXRefreshRows: function (rows) {
// Separate keys and values.
var rowNames = [];
var ajaxElements = [];
$.each(rows, function (rowName, ajaxElement) {
rowNames.push(rowName);
ajaxElements.push(ajaxElement);
});
if (rowNames.length) {
// Add a throbber next each of the ajaxElements.
var $throbber = $('<div class="ajax-progress ajax-progress-throbber"><div class="throbber"> </div></div>');
$(ajaxElements)
.addClass('progress-disabled')
.after($throbber);
// Fire the Ajax update.
$('input[name=refresh_rows]').val(rowNames.join(' '));
$('input#edit-refresh').mousedown();
// Disabled elements do not appear in POST ajax data, so we mark the
// elements disabled only after firing the request.
$(ajaxElements).attr('disabled', true);
}
}
};
/**
* Row handlers for the 'Manage display' screen.
*/
Drupal.fieldUIDisplayOverview = {};
/**
* Constructor for a 'field' row handler.
*
* This handler is used for both fields and 'extra fields' rows.
*
* @param row
* The row DOM element.
* @param data
* Additional data to be populated in the constructed object.
*/
Drupal.fieldUIDisplayOverview.field = function (row, data) {
this.row = row;
this.name = data.name;
this.region = data.region;
this.tableDrag = data.tableDrag;
// Attach change listener to the 'formatter type' select.
this.$formatSelect = $('select.field-formatter-type', row);
this.$formatSelect.change(Drupal.fieldUIOverview.onChange);
return this;
};
Drupal.fieldUIDisplayOverview.field.prototype = {
/**
* Returns the region corresponding to the current form values of the row.
*/
getRegion: function () {
return (this.$formatSelect.val() == 'hidden') ? 'hidden' : 'visible';
},
/**
* Reacts to a row being changed regions.
*
* This function is called when the row is moved to a different region, as a
* result of either :
* - a drag-and-drop action (the row's form elements then probably need to be
* updated accordingly)
* - user input in one of the form elements watched by the
* Drupal.fieldUIOverview.onChange change listener.
*
* @param region
* The name of the new region for the row.
* @return
* A hash object indicating which rows should be Ajax-updated as a result
* of the change, in the format expected by
* Drupal.displayOverview.AJAXRefreshRows().
*/
regionChange: function (region) {
// When triggered by a row drag, the 'format' select needs to be adjusted
// to the new region.
var currentValue = this.$formatSelect.val();
switch (region) {
case 'visible':
if (currentValue == 'hidden') {
// Restore the formatter back to the default formatter. Pseudo-fields do
// not have default formatters, we just return to 'visible' for those.
var value = (typeof this.defaultFormatter !== 'undefined') ? this.defaultFormatter : this.$formatSelect.find('option').val();
}
break;
default:
var value = 'hidden';
break;
}
if (value != undefined) {
this.$formatSelect.val(value);
}
var refreshRows = {};
refreshRows[this.name] = this.$formatSelect.get(0);
return refreshRows;
}
};
})(jQuery);